Home / 21,754.77-32,646.73-13,969.05

Finding the Fourth Proportional to 21,754.77, 32,646.73 and 13,969.05

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Solution

The fourth proportional to 21,754.77, 32,646.73 and 13,969.05 is: 20,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.77 : 32,646.73 = 13,969.05 : x
  2. Step 2: Convert to fraction form
    21,754.77/32,646.73 = 13,969.05/x
  3. Step 3: Cross multiply
    21,754.77x = 32,646.73 × 13,969.05
  4. Step 4: Simplify right side
    21,754.77x = 456,043,803.71
  5. Step 5: Solve for x
    x = 456,043,803.71/21,754.77
  6. Step 6: Final answer
    x = 20,962.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.